Siemens 3TB3901-0XP2 Contactor: 240V AC, 6A, 2.2kW, 1NC Auxiliary, Size 0, Screw Connection Original Brand New

Overview

The Siemens 3TB3901-0XP2 is a high-quality AC contactor designed for reliable switching of motors and electrical loads. Part of the Siemens 3TB series, this contactor is engineered for industrial applications requiring robust and efficient performance. With a compact size 0 frame, it is perfect for installations where space is a consideration. It operates on an AC 50/60 Hz supply with a 240V coil and is rated for a 6A current at 400V for AC-3 duty, handling power up to 2.2 kW.

Key Features & Specification

• Product Number: 3TB3901-0XP2
• Type: AC Contactor
• Operating Frequency: 50/60 Hz
• Coil Voltage: 240V AC
• Rated Operational Current (Ie) AC-3: 6A at 400V
• Rated Operational Power (Pe) AC-3: 2.2 kW at 400V
• Auxiliary Contacts: 1 NC (Normally Closed)
• Size: Size 0
• Connection Type: Screw Connection
• Series: Siemens 3TB

Benefit

• High Reliability: Built with Siemens’ renowned quality, ensuring long-term operational stability and safety in demanding environments.
• Efficient Performance: Optimized for switching motors up to 2.2 kW, providing excellent performance with low power consumption.
• Space-Saving Design: The compact size 0 form factor allows for easy integration into control panels and cabinets with limited space.
• Easy Installation: Features robust screw connections for secure and straightforward wiring, minimizing installation time.
• Versatile Application: Suitable for a wide range of industrial applications, including motor control, lighting circuits, and heating systems.
• Integrated Auxiliary Contact: The included 1 NC auxiliary contact provides an additional output for signaling or interlocking purposes without the need for an external add-on block.

Function

The Siemens 3TB3901-0XP2 contactor serves as an electromagnetic switch, allowing for the remote and automatic control of an electrical circuit. When the 240V AC coil is energized, the main contacts close, connecting the power to the load (e.g., a motor). The built-in 1 NC auxiliary contact changes state from closed to open, which can be used for feedback, control logic, or safety interlocks within the control system. Its robust design is capable of handling the frequent switching cycles typical in industrial machinery and automation.

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